Mosquitoes don't just bite you, they also pee on you.
11
If a vampire bat goes 2 days without drinking blood, they can die. However, well fed female bats will puke up blood and share it with other bats that they like in exchange for grooming.
13
When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
25
Urechis unicinctus is a species of marine spoon worm that is widely referred to as the ‘penis fish’.
2
Squirrels forget where they hide about half of their nuts.
698
Cats sleep for 70% of their lives.
8
In 1955, the citizens of São Paulo were so upset with their government that they elected a rhinoceros named Cacareco (meaning rubbish) to the city council in protest, with over 100,000 votes.
18